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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0178778 (1980-08-18) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 0 |
A high response servovalve has an improved valve spool slidably mounted within the bore at a sleeve or body. The bearing surfaces on the spool are formed of a relatively soft material. The balance of the surfaces of the spool and the sleeve or body are relatively hard. The soft bearing material tend
In a valve having a spool member slidably mounted within a sleeve member, said sleeve member having an inwardly-facing cylindrical surface and penetrated by a plurality of ports through which fluid may flow, said spool member having a plurality of metering lands cooperating with said sleeve member p
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